package chapter03.demo03;

public class xinnian {
    static class Student{
        private String name;
        private int age;
        public String getName(){
            return name;
        }
        public void setName(String name){
            this.name = name;
        }
        public int getAge(){
            return age;
        }
        public void setAge(int age){
            if (age<=0){
                System.out.println("您输入的年龄有误！");
            }else {
                this.age = age;
            }
        }
        public void read(){
            System.out.println("大家好,我是"+name+",年龄"+age);
        }
    }
    public static class Example04{
        public static void main(String[] args){
            Student stu = new Student();
            stu.setName("张三");
            stu.setAge(-18);
            stu.read();
        }
    }
}
